necessity

necessity
(pl. -ies)

[mass noun]the fact of being necessary
必要（性）
■(necessity of/for/to do something)the fact of being required or indispensable
需要；必要；不可或缺
the necessity for law and order.
法律和秩序的必要性。
■unavoidability
必然性
the necessity of growing old.
衰老的必然性。
■a state of things or circum stances enforcing a certain course
强制性，强迫性
created more by necessity than design.
多因不得已而创作，而非计划如此。
an indispensable thing
必需品
a good book is a necessity when travelling.
出门旅行时，一本好书是必不可少的。
[mass noun](Philosophy)the principle according to which something must be so, by virtue either of logic or of natural law
(哲)必然性
■[count noun]a condition that cannot be otherwise, or a statement asserting this
必然情况；断言

常用词组
necessity is the mother of invention

(proverb)when the need for something becomes imperative, you are forced to find ways of getting or achieving it
(谚)需要乃发明之母

of necessity

语源

late Middle English; from Old French necessite, from Latin necessitas, from necesse 'needful'

热门查询

考试词汇表